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Wed, 31 Jul 2024 05:27:38 +0000 Date: Wed, 31 Jul 2024 13:27:25 +0800 From: kernel test robot To: Jann Horn CC: , , Linux Memory Management List , Andrew Morton , "Andrey Konovalov" , Andrey Ryabinin , Christoph Lameter , David Rientjes , Dmitry Vyukov , Hyeonggon Yoo <42.hyeyoo@gmail.com>, Joonsoo Kim , Marco Elver , "Pekka Enberg" , Roman Gushchin , Vincenzo Frascino , , Subject: [linux-next:master] [slub] d543c8fb9c: BUG_filp(Not_tainted):Bulk_free_expected#objects_but_found Message-ID: <202407311019.5ea52390-lkp@intel.com> Content-Type: text/plain; charset="us-ascii" Content-Disposition: inline X-ClientProxiedBy: SI2PR01CA0054.apcprd01.prod.exchangelabs.com (2603:1096:4:193::22) To LV3PR11MB8603.namprd11.prod.outlook.com (2603:10b6:408:1b6::9) Precedence: bulk X-Mailing-List: oe-lkp@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: LV3PR11MB8603:EE_|SA0PR11MB4638:EE_ X-MS-Office365-Filtering-Correlation-Id: 33474b62-e97b-4c30-70ff-08dcb1217dae X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|366016|1800799024|7416014|376014; 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Hello, kernel test robot noticed "BUG_filp(Not_tainted):Bulk_free_expected#objects_but_found" on: commit: d543c8fb9c4caa95cd2799b9d3b6f6354140f4f4 ("slub: introduce CONFIG_SLUB_RCU_DEBUG") https://git.kernel.org/cgit/linux/kernel/git/next/linux-next.git master [test failed on linux-next/master cd19ac2f903276b820f5d0d89de0c896c27036ed] in testcase: rcutorture version: with following parameters: runtime: 300s test: cpuhotplug torture_type: srcud compiler: gcc-13 test machine: qemu-system-x86_64 -enable-kvm -cpu SandyBridge -smp 2 -m 16G (please refer to attached dmesg/kmsg for entire log/backtrace) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot | Closes: https://lore.kernel.org/oe-lkp/202407311019.5ea52390-lkp@intel.com [ 243.911590][ T0] masked ExtINT on CPU#1 [ 244.087218][ T9] smpboot: CPU 1 is now offline [ 244.154988][ T435] smpboot: Booting Node 0 Processor 1 APIC 0x1 [ 244.155553][ T0] masked ExtINT on CPU#1 [ 244.226610][ C1] ============================================================================= [ 244.227574][ C1] BUG filp (Not tainted): Bulk free expected 1 objects but found 2 [ 244.227574][ C1] [ 244.228097][ C1] ----------------------------------------------------------------------------- [ 244.228097][ C1] [ 244.228665][ C1] Slab 0xffffea0005dac500 objects=23 used=23 fp=0x0000000000000000 flags=0x8000000000000040(head|zone=2) [ 244.229241][ C1] CPU: 1 UID: 0 PID: 22 Comm: cpuhp/1 Not tainted 6.10.0-12959-gd543c8fb9c4c #1 [ 244.229725][ C1] Call Trace: [ 244.229909][ C1] [ 244.230069][ C1] dump_stack_lvl (kbuild/src/consumer/lib/dump_stack.c:122) [ 244.230337][ C1] slab_err (kbuild/src/consumer/mm/slub.c:1149) [ 244.230606][ C1] ? check_object (kbuild/src/consumer/mm/slub.c:1293 kbuild/src/consumer/mm/slub.c:1391) [ 244.230925][ C1] free_debug_processing (kbuild/src/consumer/mm/slub.c:3378) The kernel config and materials to reproduce are available at: https://download.01.org/0day-ci/archive/20240731/202407311019.5ea52390-lkp@intel.com -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki